27169272068 has 18 divisors (see below), whose sum is σ = 47973176874. Its totient is φ = 13462681344.

The previous prime is 27169272049. The next prime is 27169272073. The reversal of 27169272068 is 86027296172.

It can be written as a sum of positive squares in 3 ways, for example, as 13541511424 + 13627760644 = 116368^2 + 116738^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3500480 + ... + 3508232.

It is an arithmetic number, because the mean of its divisors is an integer number (2665176493).

Almost surely, 2^27169272068 is an apocalyptic number.

It is an amenable number.

27169272068 is a deficient number, since it is larger than the sum of its proper divisors (20803904806).

27169272068 is an frugal number, since it uses more digits than its factorization.

27169272068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15623 (or 7868 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 27169272068 in words is "twenty-seven billion, one hundred sixty-nine million, two hundred seventy-two thousand, sixty-eight".